package com.wwl.springcloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;

import java.util.concurrent.TimeUnit;

/**
 * @author wwl
 * @version 1.0
 * @date 2021/8/10 18:21
 * @description:
 */
@Service
public class PaymentService {
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"),  //是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),   //请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"),  //时间范围
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"), //失败率达到多少后跳闸
    })
    public String paymentInfo_ok(Integer id){
        if (id < 0){
            throw new RuntimeException("*****id 不能负数");
        }
        String serialNumber = IdUtil.simpleUUID();
        return Thread.currentThread().getName()+"\t"+"调用成功,流水号："+serialNumber;
    }

    @HystrixCommand(fallbackMethod = "paymentInfo_TimeOutHandler",commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value = "30000")})
    public String paymentInfo_TimeOut(Integer id){
        int timeNumber = 5;
        int a = 10/0;
        try {
            TimeUnit.SECONDS.sleep(timeNumber);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池："+Thread.currentThread().getName()+"   paymentInfo_TimeOut,id：  "+id+"\t"+"呜呜呜"+" 耗时(秒)"+timeNumber;
    }
    //兜底方法
    public String paymentInfo_TimeOutHandler(Integer id){
        return "线程池："+Thread.currentThread().getName()+"系统繁忙，请稍后再试，id:"+id+"哭了呜哇！！！";
    }

    public String paymentCircuitBreaker_fallback( Integer id){
        return "id 不能负数，请稍候再试,(┬＿┬)/~~     id: " +id;
    }


}

